Neoplastic Process
ependymoblastoma
Definitions related to ependymoblastoma:
  • A highly malignant embryonal tumor of infancy and young childhood characterized by neuroectodermal elements organized in distinctive multilayered rosettes. Ependymoblastomas are large lesions that occur in the supratentorial compartment, typically displaying a physical connection to the ventricular system.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2021
  • (embryonal tumor with multilayered rosettes, c19mc-altered) An aggressive malignant embryonal neoplasm arising from the central nervous system. It is characterized by the presence of multilayered rosettes formation and the presence of amplification of the C19MC region on chromosome 19 (19q13.42).
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
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